![]() Since wp-load.php is run on every page load on a WordPress website, any reactivated plugins would be easily disabled automatically upon the next page load - regardless of whether it is from the same user or a new visitor on the website’s homepage. wp-includes/IXR/class-IXR-cache.php through the use of require_once. The injection causes wp-load.php to load the malicious file. It starts by assigning the website’s root directory to DIZIN to help obfuscate loading the core WordPress file wp-load.php: if ( ! defined ( ' DIZIN ' ) ) The malware was found within the malicious file. This behavior will prevail until the malware is fully removed from the compromised environment, making it more difficult to detect malicious behavior on the website. If a user tries to reactivate one of the disabled security plugins, it will momentarily appear to activate only for the malware to immediately disable it again. The animation clearly demonstrates how non-security components are unaffected by the PHP malware but the four security plugins are disabled. This GIF shows a WordPress installation with a number of activated plugins, four of which are popular security plugins and two non-security plugins. ![]() Unfortunately, PHP malware exists which solves this problem for the attacker by immediately disabling the most commonly used security plugins and preventing them from being reactivated in the WordPress dashboard. ![]() What attackers may find problematic with reverse security hardening is that a security plugin that monitors files can detect any changes and alert the owner via email notification or within the WordPress dashboard. I’ve previously written about malware that reverses security hardening measures enacted either manually by the owner, or through the use of a security plugin installed in WordPress. An alarm or monitoring system is a great tool that can be used to improve the security of a home or website, but what if an attacker can easily disable it? ![]()
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